The 'director's cut' has digitally improved sound and imagery and about 40 minutes of extra footage, including previously unseen performances by
Jefferson Airplane
,
Janis Joplin
and Canned Heat. Pride of place goes to
Jimi Hendrix
, looking saintly for what was to be a last screen appearance. Remember a time when sex didn't carry the death penalty and records didn't come from commercials on the telly?